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authorNeil Armstrong <neil.armstrong@linaro.org>2025-04-07 12:17:04 +0200
committerMartin K. Petersen <martin.petersen@oracle.com>2025-04-11 21:23:12 -0400
commit2d6c7bcc6cca63238fce0a95874b053500a1112e (patch)
tree74bc953137394efcbe975962983753fffe58990d
parent56f4beffc9a056f70e56f53d01451441106bd4ff (diff)
scsi: ufs: core: Track when MCQ ESI is enabled
In preparation of adding a threaded interrupt handler, track when the MCQ ESI interrupt handlers were installed so we can optimize the MCQ interrupt handling to avoid walking the threaded handler in the case ESI handlers are enabled. Signed-off-by: Neil Armstrong <neil.armstrong@linaro.org> Link: https://lore.kernel.org/r/20250407-topic-ufs-use-threaded-irq-v3-2-08bee980f71e@linaro.org Reviewed-by: Bart Van Assche <bvanassche@acm.org> Signed-off-by: Martin K. Petersen <martin.petersen@oracle.com>
-rw-r--r--drivers/ufs/core/ufshcd.c1
-rw-r--r--include/ufs/ufshcd.h2
2 files changed, 3 insertions, 0 deletions
diff --git a/drivers/ufs/core/ufshcd.c b/drivers/ufs/core/ufshcd.c
index 5e73ac1e0078..7f256f77b8ba 100644
--- a/drivers/ufs/core/ufshcd.c
+++ b/drivers/ufs/core/ufshcd.c
@@ -8717,6 +8717,7 @@ static void ufshcd_config_mcq(struct ufs_hba *hba)
u32 intrs;
ret = ufshcd_mcq_vops_config_esi(hba);
+ hba->mcq_esi_enabled = !ret;
dev_info(hba->dev, "ESI %sconfigured\n", ret ? "is not " : "");
intrs = UFSHCD_ENABLE_MCQ_INTRS;
diff --git a/include/ufs/ufshcd.h b/include/ufs/ufshcd.h
index fffa9cc46543..ec999fa67124 100644
--- a/include/ufs/ufshcd.h
+++ b/include/ufs/ufshcd.h
@@ -954,6 +954,7 @@ enum ufshcd_mcq_opr {
* ufshcd_resume_complete()
* @mcq_sup: is mcq supported by UFSHC
* @mcq_enabled: is mcq ready to accept requests
+ * @mcq_esi_enabled: is mcq ESI configured
* @res: array of resource info of MCQ registers
* @mcq_base: Multi circular queue registers base address
* @uhq: array of supported hardware queues
@@ -1122,6 +1123,7 @@ struct ufs_hba {
bool mcq_sup;
bool lsdb_sup;
bool mcq_enabled;
+ bool mcq_esi_enabled;
struct ufshcd_res_info res[RES_MAX];
void __iomem *mcq_base;
struct ufs_hw_queue *uhq;